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# SPDX-License-Identifier: Apache-2.0 # No official documentation exists for the "Generic" value, except their wiki. # # https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/CrossCompiling: # CMAKE_SYSTEM_NAME : this one is mandatory, it is the name of the target # system, i.e. the same as CMAKE_SYSTEM_NAME would have if CMake would run # on the target system. Typical examples are "Linux" and "Windows". This # variable is used for constructing the file names of the platform files # like Linux.cmake or Windows-gcc.cmake. If your target is an embedded # system without OS set CMAKE_SYSTEM_NAME to "Generic". set(CMAKE_SYSTEM_NAME Generic) # https://cmake.org/cmake/help/latest/variable/CMAKE_SYSTEM_PROCESSOR.html: # The name of the CPU CMake is building for. # # https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/CrossCompiling: # CMAKE_SYSTEM_PROCESSOR : optional, processor (or hardware) of the # target system. This variable is not used very much except for one # purpose, it is used to load a # CMAKE_SYSTEM_NAME-compiler-CMAKE_SYSTEM_PROCESSOR.cmake file, # which can be used to modify settings like compiler flags etc. for # the target set(CMAKE_SYSTEM_PROCESSOR ${ARCH}) # https://cmake.org/cmake/help/latest/variable/CMAKE_SYSTEM_VERSION.html: # When the CMAKE_SYSTEM_NAME variable is set explicitly to enable cross # compiling then the value of CMAKE_SYSTEM_VERSION must also be set # explicitly to specify the target system version. set(CMAKE_SYSTEM_VERSION ${PROJECT_VERSION}) # We are not building dynamically loadable libraries set(BUILD_SHARED_LIBS OFF) if(NOT (COMPILER STREQUAL "host-gcc")) include(${TOOLCHAIN_ROOT}/cmake/toolchain/${ZEPHYR_TOOLCHAIN_VARIANT}/target.cmake) endif() # The 'generic' compiler and the 'target' compiler might be different, # so we unset the 'generic' one and thereby force the 'target' to # re-set it. unset(CMAKE_C_COMPILER) unset(CMAKE_C_COMPILER CACHE) # A toolchain consist of a compiler and a linker. # In Zephyr, toolchains require a port under cmake/toolchain/. # Each toolchain port must set COMPILER and LINKER. # E.g. toolchain/llvm may pick {clang, ld} or {clang, lld}. add_custom_target(bintools) include(${TOOLCHAIN_ROOT}/cmake/compiler/${COMPILER}/target.cmake OPTIONAL) include(${TOOLCHAIN_ROOT}/cmake/linker/${LINKER}/target.cmake OPTIONAL) include(${CMAKE_CURRENT_LIST_DIR}/bintools/bintools_template.cmake) include(${TOOLCHAIN_ROOT}/cmake/bintools/${BINTOOLS}/target.cmake OPTIONAL) |